Audio speaker



FIG. 1 is a perspective view of an audio speaker, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown are included for the purpose of illustrating portions of the audio speaker that form no part of the claim. 

CLAIM The ornamental design for an audio speaker, substantially as shown and described. 